Bruno Pieger Books

Kreis aus Kreisen

By Bertram Schefold, Bruno Pieger

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Rudolf Fahrner

By Stefano Bianca, Bruno Pieger

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"Dieser Gedenkband gilt dem vor 30 Jahren im 85. Lebensjahr verstorbenen Germanisten Rudolf Fahrner, einem Mitglied des George-Kreises aus der jüngeren Riege. Er ergänzt die dreibändige, zwischen 2...

Briefwechsel 1959 1976.

By Imma Von Bodmershof, Bruno Pieger, Martin Heidegger

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Stefan George

By Bertram Schefold, Bruno Pieger

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.